fwt_check.m

来自「vector to matrix function」· M 代码 · 共 11 行

%fwt check

[Lo_d,Hi_d]=wfilters ('db1','d');  %decomposition filters for the fwt algorithm ('gaus'?)

a=1:1:128;

[ca1,cd1]=dwt (a,Lo_d,Hi_d); %first scale
[ca2,cd2]=dwt (ca1,Lo_d,Hi_d); %second scale
[ca3,cd3]=dwt (ca2,Lo_d,Hi_d); %third scale
[ca4,cd4]=dwt (ca3,Lo_d,Hi_d); %firth scale
[ca5,cd5]=dwt (ca4,Lo_d,Hi_d); %fifth scale